custom bootanimation improvements

- custom boot animation picker disabled if boot animations are disabled,
    for consistency
- set custom boot animations to /data/local/bootanimation.zip so we don't
    overwrite the system one.
- allow users to clear their custom boot animation

Change-Id: Ibdedf6c3c6bb55312a9088d5849af8f826cdffad
Signed-off-by: Roman Birg <romanbirg@gmail.com>
new bootanimation (2/2)

Change-Id: I682e8e050ccaf9c7182f9a1689db1db9e6fe904a
Signed-off-by: Roman Birg <romanbirg@gmail.com>
Fix Statusbar Toggles for spanish users.

Previous spanish translation commit made statusbar toggles unusable for spanish users upon setting up their devices.
Merge remote-tracking branch 'upstream/jb-mr1' into jb-mr1